How far is Roi Et from Tonghua?

The distance between Tonghua (Tonghua Sanyuanpu Airport) and Roi Et (Roi Et Airport) is 2221 miles / 3574 kilometers / 1930 nautical miles.

The driving distance from Tonghua (TNH) to Roi Et (ROI) is 2751 miles / 4428 kilometers, and travel time by car is about 51 hours 44 minutes.

Distance from Tonghua to Roi Et

There are several ways to calculate the distance from Tonghua to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 2220.967 miles
• 3574.299 kilometers
• 1929.967 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 2224.071 miles
• 3579.295 kilometers
• 1932.665 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Tonghua to Roi Et?

The estimated flight time from Tonghua Sanyuanpu Airport to Roi Et Airport is 4 hours and 42 minutes.

What is the time difference between Tonghua and Roi Et?

The time difference between Tonghua and Roi Et is 1 hour. Roi Et is 1 hour behind Tonghua.

Flight carbon footprint between Tonghua Sanyuanpu Airport (TNH) and Roi Et Airport (ROI)

On average, flying from Tonghua to Roi Et generates about 243 kg of CO2 per passenger, and 243 kilograms equals 535 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Tonghua to Roi Et

See the map of the shortest flight path between Tonghua Sanyuanpu Airport (TNH) and Roi Et Airport (ROI).

Airport information

Origin	Tonghua Sanyuanpu Airport
City:	Tonghua
Country:	China
IATA Code:	TNH
ICAO Code:	ZYTN
Coordinates:	42°15′14″N, 125°42′11″E

Destination	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E